: Simulating complex physical systems or performing structural engineering calculations through iterative program modules.

: Utilizing the Developer Tab to access the Visual Basic Editor (VBE) where modules are created.

: Ensure the Developer tab is enabled in Excel ribbon settings.

: Developing macros for root-finding (e.g., Newton-Raphson method) or solving systems of linear equations.

: Organize sample data in the spreadsheet to be processed by the numerical algorithm.